.topic-container {
    min-height: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.topic-left-content {
    padding: 20px;
    background: #f9f4f4;
    flex-grow: 1;
    max-width: 900px;
    min-width: 600px;
    margin-right: 20px;
}

.topic-right-content {
    width: 380px;
    padding: 20px;
    background: #f9f4f4;
}

.topic-right-content .btn-publish {
    margin: 15px 0 0;
    background: #63b8ff;
    color: white;
    font-size: 20px;
    border-radius: 5px;
    height: 48px;
    line-height: 48px;
    width: 49%;
    text-align: center;
    border-width: 0px;
    cursor: pointer;
}

.topic-right-content .right-article-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    list-style: none;
    padding-left: 0;
}

/* article item */

.art-hot-item {
    padding: 20px 0;
    border-bottom: 1px dashed #ccc;
    display: flex;
    justify-content: space-between;
}

.hot-item-img2 {
    width: 100px;
    height: 75px;
    margin-right: 10px;
}

.hot-item-img2>img {
    height: 100%;
    width: 100%;
}

.hot-item-left {
    flex-grow: 1;
    margin-right: 10px;
    display: flex;
    flex-direction: column;
}

.art-info-abstract {
    flex-grow: 1;
}